If you are experiencing errors while patching StarCraft, please try reinstalling the game.

Cannot install or Patch Call of Duty: Black Ops 4

World of Warcraft does not support 32-bit operating systems.

If you experience crashes, blue or black screens, performance issues, or your computer locks up while playing, follow the steps below to resolve these issues.

Information on error BLZBNTBNU00000001

Payment failed. Your financial institution may be denying the payment. Contact your bank or credit card issuer for help.

Troubleshooting steps to help you connect to StarCraft II

Troubleshooting steps for StarCraft and StarCraft: Remastered crash errors

Instructions to enable vertical sync in applicable games.

Black Screen when starting StarCraft II.